Generate infinite DoubleStream

Question

I can generate Stream<Double> using generate . Eg

Stream.generate(Math::random).limit(10).forEach(System.out::println);

How to generate infinte random DoubleStream instead of Stream<Double> ?

Answer 1

You can use Random#doubles to generate DoubleStream

Returns an effectively unlimited stream of pseudorandom double values, each between zero (inclusive) and one (exclusive). A pseudorandom double value is generated as if it's the result of calling the method nextDouble().

Eg

new Random().doubles().limit(10).forEach(System.out::println);

Answer 2

May be you can try this:

   DoubleStream i = DoubleStream.generate(new Random()::nextDouble);
   Stream<Double> o =  i.boxed();
   o.limit(10).forEach(System.out::println);

You can read more about them here ( https://docs.oracle.com/javase/8/docs/api/java/util/stream/DoubleStream.html )